880 static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in lock_two_stripes()  argument
882 		__acquires(&sh2->stripe_lock)  in lock_two_stripes()
884 	if (sh1 > sh2) {  in lock_two_stripes()
885 		spin_lock_irq(&sh2->stripe_lock);  in lock_two_stripes()
889 		spin_lock_nested(&sh2->stripe_lock, 1);  in lock_two_stripes()
893 static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in unlock_two_stripes()  argument
895 		__releases(&sh2->stripe_lock)  in unlock_two_stripes()
898 	spin_unlock_irq(&sh2->stripe_lock);  in unlock_two_stripes()
3217 	struct stripe_head sh2;  in raid5_compute_blocknr()  local
3312 				     previous, &dummy1, &sh2);  in raid5_compute_blocknr()
3313 	if (check != sh->sector || dummy1 != dd_idx || sh2.pd_idx != sh->pd_idx  in raid5_compute_blocknr()
3314 		|| sh2.qd_idx != sh->qd_idx) {  in raid5_compute_blocknr()
4634 			struct stripe_head *sh2;  in handle_stripe_expansion()  local
4640 			sh2 = raid5_get_active_stripe(conf, NULL, s,  in handle_stripe_expansion()
4642 			if (sh2 == NULL)  in handle_stripe_expansion()
4648 			if (!test_bit(STRIPE_EXPANDING, &sh2->state) ||  in handle_stripe_expansion()
4649 			   test_bit(R5_Expanded, &sh2->dev[dd_idx].flags)) {  in handle_stripe_expansion()
4651 				raid5_release_stripe(sh2);  in handle_stripe_expansion()
4657 			tx = async_memcpy(sh2->dev[dd_idx].page,  in handle_stripe_expansion()
4658 					  sh->dev[i].page, sh2->dev[dd_idx].offset,  in handle_stripe_expansion()
4662 			set_bit(R5_Expanded, &sh2->dev[dd_idx].flags);  in handle_stripe_expansion()
4663 			set_bit(R5_UPTODATE, &sh2->dev[dd_idx].flags);  in handle_stripe_expansion()
4665 				if (j != sh2->pd_idx &&  in handle_stripe_expansion()
4666 				    j != sh2->qd_idx &&  in handle_stripe_expansion()
4667 				    !test_bit(R5_Expanded, &sh2->dev[j].flags))  in handle_stripe_expansion()
4670 				set_bit(STRIPE_EXPAND_READY, &sh2->state);  in handle_stripe_expansion()
4671 				set_bit(STRIPE_HANDLE, &sh2->state);  in handle_stripe_expansion()
4673 			raid5_release_stripe(sh2);  in handle_stripe_expansion()